diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/allocpercpu.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/mm/allocpercpu.c b/mm/allocpercpu.c index eaa9abeea53..b2486cf887a 100644 --- a/mm/allocpercpu.c +++ b/mm/allocpercpu.c @@ -17,10 +17,9 @@ void percpu_depopulate(void *__pdata, int cpu) { struct percpu_data *pdata = __percpu_disguise(__pdata); - if (pdata->ptrs[cpu]) { - kfree(pdata->ptrs[cpu]); - pdata->ptrs[cpu] = NULL; - } + + kfree(pdata->ptrs[cpu]); + pdata->ptrs[cpu] = NULL; } EXPORT_SYMBOL_GPL(percpu_depopulate); @@ -123,6 +122,8 @@ EXPORT_SYMBOL_GPL(__percpu_alloc_mask); */ void percpu_free(void *__pdata) { + if (unlikely(!__pdata)) + return; __percpu_depopulate_mask(__pdata, &cpu_possible_map); kfree(__percpu_disguise(__pdata)); } |